Home / 36,059.63-49,763.21-20,145.11

Finding the Fourth Proportional to 36,059.63, 49,763.21 and 20,145.11

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Solution

The fourth proportional to 36,059.63, 49,763.21 and 20,145.11 is: 27,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,059.63 : 49,763.21 = 20,145.11 : x
  2. Step 2: Convert to fraction form
    36,059.63/49,763.21 = 20,145.11/x
  3. Step 3: Cross multiply
    36,059.63x = 49,763.21 × 20,145.11
  4. Step 4: Simplify right side
    36,059.63x = 1,002,485,103.18
  5. Step 5: Solve for x
    x = 1,002,485,103.18/36,059.63
  6. Step 6: Final answer
    x = 27,800.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.